Plb
abbr. personal locator beacon 人员失事示位信标; plumber 水管工人; plumbing 铅工业; 铅管品制造
🗣️ 情景例句
Oh, he's got Richard's eyes, though.
噢 ，他的眼睛跟Richard的像极了。
There is no going heaven in a sedan.
坐轿上天堂，从来无此事。
so every so often a sample is obtained with a coring bit.
因此时常要用取芯钻头取样。